| http://purl.uniprot.org/citations/16556599 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/16556599 | http://www.w3.org/2000/01/rdf-schema#comment | "Mammalian metallothionein-4 (MT-4) was found to be specifically expressed in stratified squamous epithelia where it plays an essential but poorly defined role in regulating zinc or copper metabolism. Here we report on the organization, stability, and the pathway of metal-thiolate cluster assembly in MT-4 reconstituted with Cd(2+) and Co(2+) ions. Both the (113)Cd NMR studies of (113)Cd(7)MT-4 and the spectroscopic characterization of Co(7)MT-4 showed that, similar to the classical MT-1 and MT-2 proteins, metal ions are organized in two independent Cd(4)Cys(11) and Cd(3)Cys(9) clusters with each metal ion tetrahedrally coordinated by terminal and bridging cysteine ligands. Moreover, we have demonstrated that the cluster formation in Cd(7)MT-4 is cooperative and sequential, with the Cd(4)Cys(11) cluster being formed first, and that a distinct single-metal nucleation intermediate Cd(1)MT-4 is required in the cluster formation process. Conversely, the absorption and circular dichroism features of metal-thiolate clusters in Cd(7)MT-4 indicate that marked differences in the cluster geometry exist when compared with those in Cd(7)MT-1/2. The biological implication of our studies as to the role of MT-4 in zinc metabolism of stratified epithelia is discussed."xsd:string |
| http://purl.uniprot.org/citations/16556599 | http://purl.org/dc/terms/identifier | "doi:10.1074/jbc.m601724200"xsd:string |
| http://purl.uniprot.org/citations/16556599 | http://purl.uniprot.org/core/author | "Meloni G."xsd:string |
| http://purl.uniprot.org/citations/16556599 | http://purl.uniprot.org/core/author | "Palumaa P."xsd:string |
| http://purl.uniprot.org/citations/16556599 | http://purl.uniprot.org/core/author | "Vasak M."xsd:string |
| http://purl.uniprot.org/citations/16556599 | http://purl.uniprot.org/core/author | "Kazantseva J."xsd:string |
| http://purl.uniprot.org/citations/16556599 | http://purl.uniprot.org/core/author | "Zovo K."xsd:string |
| http://purl.uniprot.org/citations/16556599 | http://purl.uniprot.org/core/date | "2006"xsd:gYear |
| http://purl.uniprot.org/citations/16556599 | http://purl.uniprot.org/core/name | "J Biol Chem"xsd:string |
| http://purl.uniprot.org/citations/16556599 | http://purl.uniprot.org/core/pages | "14588-14595"xsd:string |
| http://purl.uniprot.org/citations/16556599 | http://purl.uniprot.org/core/title | "Organization and assembly of metal-thiolate clusters in epithelium-specific metallothionein-4."xsd:string |
| http://purl.uniprot.org/citations/16556599 | http://purl.uniprot.org/core/volume | "281"xsd:string |
| http://purl.uniprot.org/citations/16556599 | http://www.w3.org/2004/02/skos/core#exactMatch | http://purl.uniprot.org/pubmed/16556599 |
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